Flavia Constantin, MD
NPI 1942257951 · Family Medicine Physician · Renton, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Flavia Constantin, MD is a Family Medicine Physician provider in Renton, WA (NPI 1942257951).
Provider details
- NPI number
- 1942257951
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 178049719 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
269 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $142 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 52 | $17 |
| Hemoglobin A1c Level83036 | 30 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 12 | $101 |
Typical Medicare-allowed amounts for these services range $9–$142 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 363 | 103 |
| Lisinopril | 166 | 48 |
| Levothyroxine Sodium | 166 | 44 |
| Losartan Potassium | 157 | 44 |
| Amlodipine Besylate | 153 | 46 |
| Metoprolol Succinate | 101 | 27 |
| Metformin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 1412 Sw 43rd StSuite 200Renton, WA 98055Phone: (425) 271-4910Fax: (425) 264-1041
Registry dates
- Enumerated
- 2006-05-27
- Last updated
- 2018-06-29
Frequently asked questions
- What is Flavia Constantin's NPI number?
- Flavia Constantin's National Provider Identifier (NPI) is 1942257951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Flavia Constantin's specialty?
- Flavia Constantin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Flavia Constantin located?
- Flavia Constantin's practice location on file with NPPES is 911 N 10th Pl, Renton, WA 98057-0009.
- What is Flavia Constantin's phone number?
- The practice phone number listed in the NPPES registry for Flavia Constantin is (425) 391-5700.
- Does Flavia Constantin accept Medicare?
- Flavia Constantin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Flavia Constantin's NPI active?
- Yes — Flavia Constantin's NPI (1942257951) is active in the NPPES registry as of the last update on 2018-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.